GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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<Verb>ChildIsAvailable(s):: Child process --> Boolean</Verb>
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<P/> Inputs a child process <M>s</M>. It returns <M>false</M> if <M>s</M> is  
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busy executing some command. It returns <M>true</M> if <M>s</M> is available to execute a new command.
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